Based on our record, PM School Challenges seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Here's a website where companies post product challenges where PMs need to develop features or improve them. https://pmschool.io/product-challenges. Source: almost 2 years ago
Huntathon - Browse and submit Product Hunt Global Hackathon projects
The Product Folks - A volunteer-led community of product managers and makers
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.
The Data-Driven Product Manager - 8 tips to help smart PMs make data work for them
HackHub - Host tech events and hackathons with ease 👨💻🛠
XdoX - Start challenges, log your progress and also get a unique profile page!